# MMBT5550 (Component)

## Description

Bipolar Transistors \- BJT
MMBT5550
SOT\-23\-3\_L2\.9\-W1\.3\-P1\.90\-LS2\.4\-BR
LCSC Part Number: C193745
JLCPCB Part Class: Extended Part
Manufactured by CJ\(江苏长电/长晶\) 

## Component Details

- **Owner:** lcsc
- **Created:** 11/2/2024
- **Last Updated:** 4/23/2025
- **Visibility:** Public
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/1810010415\_Jiangsu\-Changjing\-Electronics\-Technology\-Co\-\-\-Ltd\-\-MMBT5550\_C193745\.pdf
- **JLCPCB Part Class:** Extended Part
- **Part Type:** Bipolar Transistors \- BJT
- **Product Info Url:** https://lcsc\.com/product\-detail/Transistors\-NPN\-PNP\_Changjiang\-Electronics\-Tech\-CJ\-MMBT5550\_C193745\.html
- **Manufacturer Name:** CJ\(江苏长电/长晶\)
- **Manufacturer Part Number:** MMBT5550
- **LCSC Part Number:** C193745
- **Package or Case Code:** SOT\-23\-3\_L2\.9\-W1\.3\-P1\.90\-LS2\.4\-BR

## Distributor Pricing (qty 1)

*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*

| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/mmbt5550/rectron.html?utm_currency=USD&region=nac) | N/A | N/A |
| [Digi\-Key](https://www.digikey.com/en/products/detail/shenzhen-slkormicro-semicon-co-ltd/MMBT5550/29782415) | N/A | N/A |
| [HQonline](https://www.hqonline.com/product-detail/general-purpose-transistors-jcet-mmbt5550-2500373634) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C193745.html) | N/A | N/A |
| [Mouser](https://www.mouser.com/en/ProductDetail/Rectron/MMBT5550?qs=w%252Fv1CP2dgqoJLV1ref6AJw%253D%253D) | N/A | N/A |

- **Part Type:** Transistors
- **Sub-Type:** BJT
- **Manufacturer:** CJ Electronics
- **MPN:** MMBT5550
- **Mount Type:** PCB
- **Package / Case Code:** SOT\-23
- **Pin Count:** 3
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | B | Unspecified |
| 2 | E | Unspecified |
| 3 | C | Unspecified |

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*Generated from [https://flux\.ai/lcsc/mmbt5550\~cu2w](https://flux.ai/lcsc/mmbt5550~cu2w)*